EZRA GROUP II

San Diego, CA 92105
Owner(s): Paul Ezra

Products

4X Characters
Listing, 1K.
TS 1000
4x Sideways Billboard
Scroll 1000 characters right to left. Listing, 1K.
TS 1000
8K ROM Character Generator
Where it is and how it works. How to use it for 4x or 8x characters. Listing, 1K.
ZX81 TS 1000
8X Characters
Print up to 8 characters on the screen. Listing, 1K.
ZX81 TS 1000
8x Sideways Billboard
Scroll 300 characters right to left. Listing, 16K.
TS 1000
Addition
Drill for children. Listing. 1K.
ZX81 TS 1000
Asteroid
Listing. 1K.
ZX81 TS 1000
BASIC Keyword Demos
1K.
ZX81 TS 1000
Bell Curve Generator
Generates a normal frequency curve. Listing. 1K.
ZX81 TS 1000
Biorhythms
Results for any date. Listing, 1K.
ZX81 TS 1000
Block Painter
Paint on the screen in horizontal or vertical lines one character wide. Listing, 1K.
ZX81 TS 1000
Block Pattern Generator
Generates 65,535 designs based on 16-pt array. Listing, 16K.
TS 1000
Card Cut
Listing. 1K.
ZX81 TS 1000
Cayley's Sextant
Listing. 1K.
ZX81 TS 1000
Character Generator Demos
1K.
ZX81 TS 1000
Chewter
Like Pacman. Listing, 1K.
ZX81 TS 1000
Course in Hypercube Theory
Listing. 16K.
TS 1000
Does Nothing Program
Grunts and groans figuratively but does nothing. Listing. 1K.
ZX81 TS 1000
Dog Race
1K.
ZX81 TS 1000
Dog Races
Watch dogs chase the rabbit and guess the winner. Listing, 1K.
ZX81 TS 1000
Ellipses and Circles
Listing, 1K.
ZX81 TS 1000
Equational and/or Touchstone
How to construct equational and/or touchstone program lines. Listing. 1K.
ZX81 TS 1000
Graphics Billboard
Billboard moves updward. Listing, 1K.
ZX81 TS 1000
Graphics/Moving Billboard
Billboard moves sideways from left to right. 1K.
ZX81 TS 1000
Hamilton Display
Generates and displays Hamilton paths on a forgetful functional representation of a 4-dimensional cube. 16K.
TS 1000
Hamilton Path Generator
Generates paths along edges through each corner once on hypercubes. Listing, 2K.
TS 1000
Hexal Pattern Generator
Generate 65,535 patterns based on 36-pt. array. Listing, 16K.
TS 1000
Horse Race
A five-horse race that can be expanded. No ties. Listing, 1K.
ZX81 TS 1000
Hyperbolic Spiral
Listing. 1K.
ZX81 TS 1000
Hypercycloids
Listing. 1K.
ZX81 TS 1000
Improved Slow Pause
ZX81
Island Squares
Listing, 2K.
TS 1000
Laser Wars
Fire at the invader. Listing. 1K.
ZX81 TS 1000
Lemniscate of Bernoulli
Listing. 1K.
ZX81 TS 1000
Limacons
Listing. 1K.
ZX81 TS 1000
Linear Programming
1K.
ZX81 TS 1000
Linear Regression
1K.
ZX81 TS 1000
Lissajous Figures
Listing. 1K.
ZX81 TS 1000
Long Division
Over 475 decimal places. Listing. 1K.
ZX81 TS 1000
Magic Cube Generator
Generates four by four magic cubes. Listing, 16K.
TS 1000
Make Math
Learn mathematical concepts by application of patterns and rules. Analogy with repeating decimals. Listing. 1K.
ZX81 TS 1000
Mysterious Matrix
Plots a matrix of patterns defined by input. Listing, 16K.
TS 1000
News Bulletin Board
Scroll your message (up to 250 characters) across the screen. Listing, 1K.
ZX81 TS 1000
O-Bliterat & Dire Straits
Clear the screen within the time limit. Steer around obstacles. Listing. 1K.
ZX81 TS 1000
Oblique Painter
Sketches diagonal lines. Listing, 1K.
ZX81 TS 1000
Plot Painter
Paint in all directions on the screen. Listing, 1K.
ZX81 TS 1000
Plotting Work Sheet
1K.
ZX81 TS 1000
Plotting Work Sheet SLOW
16K.
TS 1000
Prime Numbers
Generates primes from 3 to 10 million. Checks numbers for primes. Listing. 1K.
ZX81 TS 1000
Quilter
Paint in one corner and the computer will duplicate in blocks like a quilt. Listing, 1K and 16K.
ZX81 TS 1000
Random Fences
Plot random fences scrolling up the screen. Listing, 16K.
TS 1000
Random MUSIC!
Plays random music through your television’s speaker. Listing, 1K.
ZX81 TS 1000
Rhodonea (Rose) Curve
Listing. 1K.
ZX81 TS 1000
Roulette Wheel
Gives Las Vegas wheel frequencies for red and black. Listing, 1K.
ZX81 TS 1000
Screen Painter
Sketches horizontal and vertical lines. Listing, 1K.
ZX81 TS 1000
Semaphore
A simplified version of Rubik’s Cube for younger children. Listing, 2K.
TS 1000
Serious Cryptology
Find the key and decode the messages. 1K.
ZX81 TS 1000
Shootist
Shooting gallery. Listing. 1K.
ZX81 TS 1000
Skew-a-Sketch
Like Etch-a-Sketch. 1K.
ZX81 TS 1000
Space General
Starship vaporizes aliens with cannon fire. Listing. 1K.
ZX81 TS 1000
Space Gunner
Use two fingers to shoot down space ships. Listing. 1K.
ZX81 TS 1000
Spinner
Like Rubik’s cube. 1K.
ZX81 TS 1000
Spiral of Archimedes
Listing, 1K.
TS 1000
Split-A-Stack
1K.
ZX81 TS 1000
Subtraction
Drill for children. Listing. 1K.
ZX81 TS 1000
Tap Writer
Handicap aid. Free.
ZX81 TS 1000
Times Tables
Multiplication tables. Listing. 1K.
TS 1000
Tower Billboard
4x/8x vertical scroll. Listing, 1K and 16K.
ZX81 TS 1000
Truth Value Programming
1K.
ZX81 TS 1000
World's Most Magic Square
8×8 and 16×16 magic squares. Listing. 1K.
ZX81 TS 1000

Articles

  • Dear EditorZX80 MicroAce ZX81
    How to make a program unlistable; program for linear regression; painting heatsinks; FORTH; problems with 8K ROM/keyboard upgrade for ZX80; MicroAce flicker-free kit; large keyboard; edge connector cleaner.
  • For Your Support
    Product announcements from Fred Nachbaur, John Oliger Co., Grey & Clifford Computer Products, Larken Electronics, Chia-Chi Chao, Robert Fischer, Bill Bell, G. Russell Electronics, EZRA Group II, RMG Enterprises, David Hill, Paul Holmgren, GLENN Technics, John Deering.
  • Resources (Sync v2 n1)
    Listing of new user groups, books and other resources.
  • T-S NewsTS 2068
    Ezra Group has software for TS1000 and TS2068; “The 1985 Sinclair User Annual” published by Sinclair User; Timex Sinclair Amateur Radio Users Group published QZX.

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